If you need some tall, or custom shape toggle clamps, this is the way to go. Me…too much work I will just go to Harbor Freight and buy them.
However, the author does include templates, which could be converted to run on a CNC…which would make these much easier to build….hummm.
https://www.homemadetools.net/forum/new-design-diy-toggle-clamp-86209?homelistings#post184724